package collection;

public class ClassEvening {
    public static void main(String[] args) {
        Aoo o1=new Aoo();
        o1.a=5;
        System.out.println(o1.a);
        Aoo a2=o1;
        a2.a=9;
        System.out.println(o1.a);
        System.out.println(a2.a);


//        o1.a=10;
//        a2.a= o1.a;
//        a2.a=16;
int a=1;
int b=a;
b=214;
        System.out.println(a);
        System.out.println(b);
        System.out.println(a);
    }
}

    class Aoo{
        int a;


    }

